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Finding the Fourth Proportional to 113,706.96, 170,599.77 and 38,879.78

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Solution

The fourth proportional to 113,706.96, 170,599.77 and 38,879.78 is: 58,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,706.96 : 170,599.77 = 38,879.78 : x
  2. Step 2: Convert to fraction form
    113,706.96/170,599.77 = 38,879.78/x
  3. Step 3: Cross multiply
    113,706.96x = 170,599.77 × 38,879.78
  4. Step 4: Simplify right side
    113,706.96x = 6,632,880,672.65
  5. Step 5: Solve for x
    x = 6,632,880,672.65/113,706.96
  6. Step 6: Final answer
    x = 58,333.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.